Heat helping corn grow, but a little rain needed, too The next two or three weeks will be crucial to the health of this summer’s corn crop, but at least one area grower says the signs are promising. Author of the article: Dan Brown Publishing date: Jul 06, 2021 • 16 hours ago • 2 minute read • Corn planted at the end of April already reaches over the head of Ilderton farmer Adam Robson. He said the crop looks good because an early dry period forced root growth and sufficient moisture and heat are helping top growth. Photo taken Tuesday, July 6, 2021. (Mike Hensen/The London Free Press)